درخت حوزه‌های تخصصی

Purpose: Considering the role and importance of social security, this study was conducted with the aim of providing a model of the impact of modern communication tools on social security, emphasizing the mediating role of cultural and social threats of Western media against the Islamic Republic of Iran. Methodology: The present study was a cross-sectional applied research. The research community consisted of 123 officials and activists in the field of social security of related organizations. The sample size was determined based on the table of Krejcie & Morgan, 93 people who were selected by stratified random sampling method. The research tool was a researcher-made questionnaire, whose face validity was confirmed by the opinion of experts and its reliability was confirmed by Cronbach's alpha method for the entire questionnaire, new means of communication, cultural and social threats, and social security as 0.94, 0.96, 0.95 and 91. 0 was calculated. Data were analyzed by structural equation modeling method in Lisrel software. Findings: The findings showed that the model of the effect of new means of communication on social security with emphasis on the mediating role of cultural and social threats of Western media against the Islamic Republic of Iran had a suitable fit. Also, new means of communication had a direct and significant effect on cultural and social threats and social security, and cultural and social threats on social security. In addition, new means of communication had an indirect and significant effect on social security by mediating cultural and social threats (P<0.05). Conclusion: Considering the effect of variables, it is necessary to plan to increase social security through the adjustment of new means of communication and cultural and social threats.

Purpose: After-sales service includes a wide range of services and provides the basis for a long and easy use of the product. The present study was conducted with the aim of designing a curriculum model for after-sales service in the automobile industry in Iran. Methodology: This was a mixed exploratory study (qualitative and quantitative). The research population in both the qualitative and quantitative sections were the CEOs and after-sales service assistants of the automobile industry, training managers and technical experts of the automobile industry, and according to the principle of theoretical saturation, 18 of them were selected as a sample using the snowball sampling method. The research tools were demographic information form and semi-structured interview with experts, the data of which were analyzed in the qualitative part with open, central and selective coding method in MAXQDA-10 software and in the quantitative part with exploratory factor analysis method in Smart PLS-3 software. Findings: The findings showed that the after-sales service curriculum model of the automobile industry in Iran had 61 indicators in 6 categories of efficient and effective management, skilled and trained human resources, use of new technologies, training development, evaluation and customer satisfaction. Other findings showed that the after-sales service curriculum model of the automobile industry in Iran has 57 items (removal of 4 items due to factor loading less than 0.40) in 6 factors of efficient and effective management, skilled and trained manpower, use of new technologies, It was the development of training, evaluation and customer satisfaction. The validity of the factors based on the factor loading was higher than 0.60, the convergent validity was higher than 0.50 and the average variance extracted was higher than 0.70, and the reliability was higher than 0.80 with Cronbach's alpha method. In addition, the 6-factor model of the after-sales service curriculum of the automobile industry in Iran had a good fit and the effect of the said model had a direct and significant effect on all 6 factors (P<0.05). Conclusion: Managers and planners of the automobile industry and its after-sales services in Iran can use 6 categories of efficient and effective management, skilled and trained manpower, use of new technologies, training development, evaluation and customer satisfaction to improve the after-sales service curriculum. car industry to use.